CN101949651B - Afterheat double-voltage recovery and generation system of dry cement production line - Google Patents
Afterheat double-voltage recovery and generation system of dry cement production line Download PDFInfo
- Publication number
- CN101949651B CN101949651B CN2010105132136A CN201010513213A CN101949651B CN 101949651 B CN101949651 B CN 101949651B CN 2010105132136 A CN2010105132136 A CN 2010105132136A CN 201010513213 A CN201010513213 A CN 201010513213A CN 101949651 B CN101949651 B CN 101949651B
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- kiln
- steam
- kiln hood
- waste heat
- pressure
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- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000004568 cement Substances 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 7
- 239000002918 waste heat Substances 0.000 claims description 90
- 238000001816 cooling Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000002912 waste gas Substances 0.000 abstract description 8
- 239000000779 smoke Substances 0.000 abstract 1
- 238000010248 power generation Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003020 moisturizing Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
Abstract
The invention discloses an afterheat double-voltage recovery and generation system of a dry cement production line, having the characteristic of improving the afterheat generation efficiency. The afterheat double-voltage recovery and generation system of a dry cement production line is provided with a high-temperature kiln head afterheat boiler, and a kiln head grate cooler is provided with a high-temperature gas taking port and a medium-temperature gas taking port. Through the device, high-temperature waste gas is led to the high-temperature kiln head afterheat boiler by combining the temperature distribution characteristics in the kiln head grate cooler; medium-temperature smoke is led to a medium-temperature kiln head afterheat boiler, and steam coming out of the medium-temperature kiln head afterheat boiler and a kiln tail afterheat boiler is subjected to secondary heat exchange through the high-temperature kiln head afterheat boiler; the temperature of the steam after secondary heat exchange is improved to about 350-410 DEG C, and then the steam is sent into a steam turbine generator. The invention improves the steam enthalpy value, the effective enthalpy drop and the steam quality, reduces the flow and the steam exhaust loss of afterheat in a turbine condenser, promotes the improvement of the afterheat generation efficiency and is suitable for being popularized and applied in systems utilizing afterheat generation.
Description
Technical field
The present invention relates to a kind of electricity generation system, specifically disclose a kind of two pressure recovery generating systems of waste heat of dry cement production line.
Background technology
At present; It is such that cement produced with the dry method is produced waste heat recovery generating system, and the place offers air hatch at kiln hood cooling machine, and the flue gas that is come out to have waste heat by air hatch gets into AQC boiler (middle temperature kiln hood waste heat boiler) recovery waste heat; The flue gas that is come out to have waste heat by production line kiln tail gets into kiln tail SP boiler (kiln tail waste heat boiler) recovery waste heat; Two strands of once overheated respectively steam converge the entering steam turbine power generation, and steam turbine outlet is connected with condenser, the water of condenser generation through condensate pump and deaerating plant after feed pump pumps into AQC boiler and kiln tail SP boiler; Waste gas after the heat exchange of AQC boiler gets into dust collecting system, and the waste gas after the heat exchange of kiln tail SP boiler gets into the raw material system.
There is following drawback in existing waste heat recovery generating system: AQC boiler and kiln tail SP boiler are once overheated respectively, and about 330 ℃ of vapor (steam) temperatures are on the low side; Steam pressure is about 2.0～2.5MPa; Higher, generating efficiency is lower, is unfavorable for the raising of exhaust heat recovery power generation efficient; The part of waste heat that gets into the AQC boiler can only be through 170 ℃; 0.2MPa low-pressure steam mend into steam turbine power generation; Low pressure filling generating has reduced effective enthalpy drop of afterheat steam; Increased the turbine discharge loss, be unfavorable for the raising of waste heat recovery efficient, steam pressure improves the investment of waste heat system simultaneously increases.
Summary of the invention
Technical problem to be solved by this invention provides a kind of two pressure recovery generating systems of waste heat that can improve the dry cement production line of residual heat generating efficiency.
The technical solution adopted for the present invention to solve the technical problems is: the two pressure recovery generating systems of the waste heat of dry cement production line; Comprise kiln hood cooling machine, middle temperature kiln hood waste heat boiler, kiln tail waste heat boiler and steam turbine; On the kiln tail of production line and kiln hood cooling machine, all offer air hatch; In have kiln hood high pressure heat-exchange system and kiln hood low pressure heat-exchange system in the warm kiln hood waste heat boiler; Kiln hood high pressure heat-exchange system has kiln hood high steam inlet and the outlet of kiln hood high steam; Kiln hood low pressure heat-exchange system has kiln hood low-pressure steam inlet and the outlet of kiln hood low-pressure steam; Have kiln tail high pressure heat-exchange system and kiln tail low pressure heat-exchange system in the kiln tail waste heat boiler, kiln tail high pressure heat-exchange system has kiln tail high steam inlet and the outlet of kiln tail high steam, and kiln tail low pressure heat-exchange system has kiln tail low-pressure steam inlet and the outlet of kiln tail low-pressure steam; The air hatch of kiln tail connects the air inlet of kiln tail waste heat boiler through pipeline; The air inlet of warm kiln hood waste heat boiler during the air hatch of kiln hood cooling machine connects through pipeline, the air hatch of kiln hood cooling machine comprises high temperature air hatch and middle temperature air hatch, the air hatch that is connected with the air inlet of middle temperature kiln hood waste heat boiler on the kiln hood cooling machine is middle temperature air hatch; In system, also be provided with the high temperature kiln hood waste heat boiler; Have high temperature kiln hood steam inlet and high temperature kiln hood steam (vapor) outlet in the heat-exchange system of high temperature kiln hood waste heat boiler, the high temperature air hatch is through the air inlet of pipeline connection high temperature kiln hood waste heat boiler, and kiln hood high steam inlet, kiln hood low-pressure steam inlet, kiln tail high steam inlet enter the mouth with kiln tail low-pressure steam and be connected with water resource system through pipeline; The outlet of kiln hood high steam exports the high temperature kiln hood steam inlet that is connected the high temperature kiln hood waste heat boiler through pipeline with kiln tail high steam, and the high temperature kiln hood steam (vapor) outlet of high temperature kiln hood waste heat boiler connects steam turbine through pipeline.
Further be; Said water resource system comprises condenser, condensate pump, water replanishing device, deaerating plant, the feed pump that is linked in sequence; The inlet of condenser connects the outlet of steam turbine, and the feed pump outlet communicates with kiln hood high steam inlet, kiln hood low-pressure steam inlet, kiln tail high steam inlet, kiln tail low-pressure steam inlet.
Further be that the kiln hood low-pressure steam outlet of middle temperature kiln hood waste heat boiler is connected with steam turbine through pipeline with the kiln tail low-pressure steam outlet of kiln tail waste heat boiler.
Further be the air inlet of warm kiln hood waste heat boiler during the gas outlet of high temperature kiln hood waste heat boiler connects.
Further be, the steam pressure that said high temperature kiln hood steam (vapor) outlet comes out is 1.0～1.4MPa, and temperature is 350～410 ℃.
Further be that said kiln hood low-pressure steam outlet is 0.2～0.4MPa with the steam pressure that kiln tail low-pressure steam exports out, 150～170 ℃ of temperature.
The invention has the beneficial effects as follows: combine kiln hood cooling built-in temperature characteristic distributions, kiln hood cooling machine adopts the arrangement form of high temperature air hatch and middle temperature air hatch, makes high-temp waste gas be passed into the high temperature kiln hood waste heat boiler; In warm flue gas be passed in warm kiln hood waste heat boiler, and the steam that warm kiln hood waste heat boiler and kiln tail waste heat boiler come out in making carries out secondary heat exchange through the high temperature kiln hood waste heat boiler again, the vapor (steam) temperature after secondary is overheated is brought up to about 350～410 ℃; Send into steam turbine generator; Improve steam enthalpy, improve effective enthalpy drop, steam quality improves; Flow reduces; Reduced the steam discharge loss of waste heat, promoted the raising of residual heat generating efficiency, be adapted at utilizing in the system of cogeneration and apply at turbine condenser.
Description of drawings
Fig. 1 is a system works schematic diagram of the present invention.
Be labeled as among the figure: kiln hood cooling machine 1; High temperature air hatch 11; In warm air hatch 12; In warm kiln hood waste heat boiler 2; High pressure heat-exchange system 21; Kiln hood low pressure heat-exchange system 22; Air inlet 23; Kiln hood high steam inlet 24; Kiln hood high steam outlet 25; Kiln hood low-pressure steam inlet 26; Kiln hood low-pressure steam outlet 27; Kiln tail waste heat boiler 3; High pressure heat-exchange system 31; Kiln tail low pressure heat-exchange system 32; Air inlet 33; Kiln tail high steam inlet 34; Kiln tail high steam outlet 35; Kiln tail low-pressure steam inlet 36; Kiln tail low-pressure steam outlet 37; Steam turbine 4; High temperature kiln hood waste heat boiler 5; Air inlet 51; High temperature kiln hood steam inlet 52; High temperature kiln hood steam (vapor) outlet 53; Gas outlet 54; Condenser 6; Condensate pump 7; Water replanishing device 8; Deaerating plant 9; Feed pump 10.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
As shown in Figure 1; The two pressure recovery generating systems of the waste heat of dry cement production line of the present invention; Comprise kiln hood cooling machine 1, middle temperature kiln hood waste heat boiler 2, kiln tail waste heat boiler 3 and steam turbine 4; On the kiln tail of production line and kiln hood cooling machine 1, all offer air hatch; In have kiln hood high pressure heat-exchange system 21 and kiln hood low pressure heat-exchange system 22 in the warm kiln hood waste heat boiler 2; Kiln hood high pressure heat-exchange system 21 has kiln hood high steam inlet 24 and kiln hood high steam outlet 25; Kiln hood low pressure heat-exchange system 22 has kiln hood low-pressure steam inlet 26 and kiln hood low-pressure steam outlet 27; Have kiln tail high pressure heat-exchange system 31 and kiln tail low pressure heat-exchange system 32 in the kiln tail waste heat boiler 3, kiln tail high pressure heat-exchange system 31 has kiln tail high steam inlet 34 and kiln tail high steam outlet 35, and kiln tail low pressure heat-exchange system 32 has kiln tail low-pressure steam inlet 36 and kiln tail low-pressure steam outlet 37; The air hatch of kiln tail connects the air inlet 33 of kiln tail waste heat boiler 3 through pipeline; The air inlet 23 of warm kiln hood waste heat boiler 2 during the air hatch of kiln hood cooling machine 1 connects through pipeline, the air hatch of kiln hood cooling machine 1 comprises high temperature air hatch 11 and middle temperature air hatch 12, the air hatch that is connected with the air inlet 23 of middle temperature kiln hood waste heat boiler 2 on the kiln hood cooling machine 1 is middle temperature air hatch 12; In system, also be provided with high temperature kiln hood waste heat boiler 5; Have high temperature kiln hood steam inlet 52 and high temperature kiln hood steam (vapor) outlet 53 in the heat-exchange system of high temperature kiln hood waste heat boiler 5, high temperature air hatch 11 connects the air inlet 51 of high temperature kiln hood waste heat boiler 5 through pipeline, and kiln hood high steam inlet 24, kiln hood low-pressure steam inlet 26, kiln tail high steam inlet 34 and kiln tail low-pressure steam inlet 36 are connected with water resource system through pipeline; Kiln hood high steam outlet 25 and the outlet 35 of kiln tail high steam are connected the high temperature kiln hood steam inlet 52 of high temperature kiln hood waste heat boiler 5 through pipeline, and the high temperature kiln hood steam (vapor) outlet 53 of high temperature kiln hood waste heat boiler 5 passes through pipeline connection steam turbine 4.During work; Middle temperature waste gas in the kiln hood cooling machine 1 that therefrom warm air hatch 12 is obtained enters in the warm kiln hood waste heat boiler 2; The waste gas that production line kiln tail comes out enters into kiln tail waste heat boiler 3; Simultaneously; In the heat exchanger of middle temperature kiln hood waste heat boiler 2, kiln tail waste heat boiler 3, pump into cold water through water resource system, this cold water that pumps into carries out after the heat exchange from what outlet 25 of kiln hood high steam and kiln tail high steam outlet 35 were come out being water vapour (generally can only reach about 330 ℃) in heat exchanger.In this process, the high-temp waste gas in the kiln hood cooling machine 1 that high temperature air hatch 11 is obtained enters in the high temperature kiln hood waste heat boiler 5, and the water vapour through a heat exchange that comes out from outlet 25 of kiln hood high steam and kiln tail high steam outlet 35 enters in the heat exchanger of high temperature kiln hood waste heat boiler 5 from high temperature kiln hood steam inlet 52; Under the effect of high-temp waste gas, carry out secondary heat exchange; And be sent to steam turbine 4 generating from high temperature kiln hood steam (vapor) outlet 53, after secondary heat exchange, temperature can improve greatly; Thereby raising steam enthalpy; Improve effective enthalpy drop, improved the steam quality that gets into steam turbine 4 simultaneously, the waste heat amount steam quality of equivalent is improved; Flow reduces; Reduced the steam discharge loss of waste heat in steam turbine 4 exits, the vapor (steam) temperature that gets into steam turbine 4 can reach 350～410 ℃, helps the raising of exhaust heat recovery power generation efficient.In this embodiment, can kiln hood cooling machine 1 be provided with simultaneously a plurality of high temperature air hatch 11 with a plurality of in warm air hatch 12, thereby can be beneficial to the air distribution of kiln hood cooling machine 1, improve the vapor (steam) temperature of secondary heat exchange reliably, effectively.
In the above-described embodiment; Said water resource system can adopt any water system; As optimal way; Said water resource system comprises condenser 6, condensate pump 7, water replanishing device 8, deaerating plant 9, the feed pump 10 that is linked in sequence, and the inlet of condenser 6 connects the outlet of steam turbine 4, and feed pump 10 outlets communicate with kiln hood high steam inlet 24, kiln hood low-pressure steam inlet 26, kiln tail high steam inlet 34, kiln tail low-pressure steam inlet 36.After high-temperature steam generates electricity through steam turbine 4; Carry out heat exchange from steam turbine 4 outlet entering condensers 6 and must form liquid; Be pumped into deaerating plant 9 through condensate pump 7; Simultaneously, water vapour loss the carrying out moisturizing that causes after 8 pairs of generatings of water replanishing device is operated, and then is pumped in kiln hood high steam inlet 24, kiln hood low-pressure steam inlet 26, kiln tail high steam inlet 34, the kiln tail low-pressure steam inlet 36 through feed pump 10.
In above embodiment; The water vapour through a heat exchange that kiln hood high steam outlet 25 and kiln tail high steam outlet 35 are come out enters into from high temperature kiln hood steam inlet 52 in the heat exchanger of high temperature kiln hood waste heat boiler 5 and carries out secondary heat exchange; And the steam that outlet 27 of kiln hood low-pressure steam and kiln tail low-pressure steam outlet 37 are come out can be used for the occasion that other utilizes steam; As optimal way, the kiln hood low-pressure steam of middle temperature kiln hood waste heat boiler 2 outlet 27 and the kiln tail low-pressure steam of kiln tail waste heat boiler 3 export 37 and are connected with steam turbine 4 through pipeline.Under the prerequisite that realizes main steam maximum generation ability; The pressure that comes out from outlet 27 of kiln hood low-pressure steam and kiln tail low-pressure steam outlet 37 is 0.2～0.4MPa; The low-pressure steam that temperature is 150～170 ℃ is delivered to steam turbine 4, and unabsorbable waste heat is utilized once more, improves residual heat generating efficiency.
In order to improve the heat recovery efficient of kiln hood cooling machine 1, the air inlet 23 of warm kiln hood waste heat boiler 2 during the gas outlet 54 of high temperature kiln hood waste heat boiler 5 connects.Be used in warm kiln hood waste heat boiler 2, producing a superheated steam, the waste heat gas energy carried out step reclaim.
On the basis of above embodiment, it is 1.0～1.4MPa that the steam that preferably high temperature kiln hood steam (vapor) outlet 53 is come out is controlled at pressure, and temperature is 350～410 ℃.It is 0.2～0.4MPa that the steam that kiln hood low-pressure steam outlet 27 and kiln tail low-pressure steam outlet 37 are come out is controlled at pressure, 150～170 ℃ of temperature.Can effectively guarantee the raising of generating efficiency.
Claims (6)
1. two pressure recovery generating systems of the waste heat of dry cement production line; Comprise kiln hood cooling machine (1), middle temperature kiln hood waste heat boiler (2), kiln tail waste heat boiler (3) and steam turbine (4); On the kiln tail of production line and kiln hood cooling machine (1), all offer air hatch; In have kiln hood high pressure heat-exchange system (21) and kiln hood low pressure heat-exchange system (22) in the warm kiln hood waste heat boiler (2); Kiln hood high pressure heat-exchange system (21) has kiln hood high steam inlet (24) and kiln hood high steam outlet (25); Kiln hood low pressure heat-exchange system (22) has kiln hood low-pressure steam inlet (26) and kiln hood low-pressure steam outlet (27); Have kiln tail high pressure heat-exchange system (31) and kiln tail low pressure heat-exchange system (32) in the kiln tail waste heat boiler (3); Kiln tail high pressure heat-exchange system (31) has kiln tail high steam inlet (34) and kiln tail high steam outlet (35); Kiln tail low pressure heat-exchange system (32) has kiln tail low-pressure steam inlet (36) and kiln tail low-pressure steam outlet (37); The air hatch of kiln tail connects the air inlet (33) of kiln tail waste heat boiler (3) through pipeline; It is characterized in that: the air hatch of kiln hood cooling machine (1) comprises high temperature air hatch (11) and middle temperature air hatch (12); It is middle temperature air hatch (12) that kiln hood cooling machine (1) is gone up the air hatch that is connected with the air inlet (23) of middle temperature kiln hood waste heat boiler (2), in system, also is provided with high temperature kiln hood waste heat boiler (5), has high temperature kiln hood steam inlet (52) and high temperature kiln hood steam (vapor) outlet (53) in the heat-exchange system of high temperature kiln hood waste heat boiler (5); High temperature air hatch (11) connects the air inlet (51) of high temperature kiln hood waste heat boiler (5) through pipeline; Kiln hood high steam inlet (24), kiln hood low-pressure steam inlet (26), kiln tail high steam inlet (34) are connected with water resource system with kiln tail low-pressure steam inlet (36) through pipeline, and kiln hood high steam outlet (25) and kiln tail high steam outlet (35) are connected the high temperature kiln hood steam inlet (52) of high temperature kiln hood waste heat boiler (5) through pipeline, and the high temperature kiln hood steam (vapor) outlet (53) of high temperature kiln hood waste heat boiler (5) passes through pipeline connection steam turbine (4).
2. two pressure recovery generating systems of the waste heat of dry cement production line as claimed in claim 1; It is characterized in that: said water resource system comprises condenser (6), condensate pump (7), water replanishing device (8), deaerating plant (9), the feed pump (10) that is linked in sequence; The inlet of condenser (6) connects the outlet of steam turbine (4), and feed pump (10) outlet communicates with kiln hood high steam inlet (24), kiln hood low-pressure steam inlet (26), kiln tail high steam inlet (34), kiln tail low-pressure steam inlet (36).
3. according to claim 1 or claim 2 the two pressure recovery generating systems of waste heat of dry cement production line, it is characterized in that: the kiln hood low-pressure steam outlet (27) of middle temperature kiln hood waste heat boiler (2) exports (37) with the kiln tail low-pressure steam of kiln tail waste heat boiler (3) and is connected with steam turbine (4) through pipeline.
4. the two pressure recovery generating systems of the waste heat of dry cement production line as claimed in claim 3 is characterized in that: the air inlet (23) of warm kiln hood waste heat boiler (2) during the gas outlet (54) of high temperature kiln hood waste heat boiler (5) connects.
5. two pressure recovery generating systems of the waste heat of dry cement production line as claimed in claim 4, it is characterized in that: the steam pressure that said high temperature kiln hood steam (vapor) outlet (53) comes out is 1.0～1.4MPa, temperature is 350～410 ℃.
6. two pressure recovery generating systems of the waste heat of dry cement production line as claimed in claim 5; It is characterized in that: said kiln hood low-pressure steam outlet (27) is 0.2～0.4MPa with the steam pressure that kiln tail low-pressure steam outlet (37) is come out, 150～170 ℃ of temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105132136A CN101949651B (en) | 2010-10-20 | 2010-10-20 | Afterheat double-voltage recovery and generation system of dry cement production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105132136A CN101949651B (en) | 2010-10-20 | 2010-10-20 | Afterheat double-voltage recovery and generation system of dry cement production line |
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| Publication Number | Publication Date |
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| CN101949651A CN101949651A (en) | 2011-01-19 |
| CN101949651B true CN101949651B (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105132136A Expired - Fee Related CN101949651B (en) | 2010-10-20 | 2010-10-20 | Afterheat double-voltage recovery and generation system of dry cement production line |
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| CN (1) | CN101949651B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438722A (en) * | 2013-08-29 | 2013-12-11 | 云南省易门县中瑞（集团）建材有限公司 | Combined type low temperature exhaust heat power generation system in dry method cement production lines |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949651B (en) * | 2010-10-20 | 2012-12-12 | 成都昊特新能源技术有限公司 | Afterheat double-voltage recovery and generation system of dry cement production line |
| CN102374514B (en) * | 2011-07-18 | 2013-11-27 | 成都昊特新能源技术股份有限公司 | Flue gas waste heat based dual-pressure power generation system |
| CN103256822B (en) * | 2013-05-27 | 2014-09-17 | 四川川润动力设备有限公司 | Cement kiln waste heat power generation system with adjustable kiln tail exhaust gas temperature and control method |
| CN106766963B (en) * | 2017-01-12 | 2018-08-10 | 中国科学院力学研究所 | A kind of cement clinker production line grate-cooler afterheat utilizing system |
| CN111747667A (en) * | 2019-03-29 | 2020-10-09 | 川崎重工业株式会社 | Waste heat recovery system |
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| CN101949651A (en) * | 2010-10-20 | 2011-01-19 | 成都四通新能源技术有限公司 | Afterheat double-voltage recovery and generation system of dry cement production line |
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| JP4478674B2 (en) * | 2006-12-26 | 2010-06-09 | カワサキプラントシステムズ株式会社 | Cement firing plant waste heat power generation system |
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| CN201382700Y (en) * | 2008-11-25 | 2010-01-13 | 唐金泉 | Kiln end system of cement kiln provided with outlet waste gas temperature regulating system for waste heat boiler |
| CN101520279A (en) * | 2009-03-16 | 2009-09-02 | 南通万达锅炉股份有限公司 | Adjusting boiler of low pressure section at cement kiln end |
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| CN101949651A (en) | 2011-01-19 |
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Address after: The people of Wuhou District road Chengdu city Sichuan province 610041 four Branch Road No. 3 Patentee after: Chengdu Hot New Energy Technology Co., Ltd. Address before: The people of Wuhou District road Chengdu city Sichuan province 610041 four Branch Road No. 3 National 863 software incubator base in Sichuan on the third floor Patentee before: Chengdu Hot New Energy Technology Co., Ltd. |
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Denomination of invention: Afterheat double-voltage recovery and generation system of dry cement production line Effective date of registration: 20140208 Granted publication date: 20121212 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd Chinese Sichuan Pledgor: Chengdu Hot New Energy Technology Co., Ltd. Registration number: 2014510000003 |
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